22 |
|
|
23 |
|
int uniq = 0; /* print only unique values? */ |
24 |
|
|
25 |
< |
int original = 0; /* convert back to original values? */ |
25 |
> |
int doexposure = 0; /* exposure change? (>100 to print) */ |
26 |
|
|
27 |
|
int dataonly = 0; /* data only format? */ |
28 |
|
|
37 |
|
|
38 |
|
int resolution = 1; /* put/get resolution string? */ |
39 |
|
|
40 |
+ |
int original = 0; /* convert to original values? */ |
41 |
+ |
|
42 |
|
int wrongformat = 0; /* wrong input format? */ |
43 |
|
|
44 |
|
double gamcor = 1.0; /* gamma correction */ |
60 |
|
char **argv; |
61 |
|
{ |
62 |
|
extern int checkhead(); |
63 |
+ |
double d, expval = 1.0; |
64 |
|
int i; |
65 |
|
|
66 |
|
progname = argv[0]; |
81 |
|
original = argv[i][0] == '-'; |
82 |
|
break; |
83 |
|
case 'g': /* gamma correction */ |
84 |
< |
gamcor = atof(argv[++i]); |
84 |
> |
gamcor = atof(argv[i+1]); |
85 |
|
if (argv[i][0] == '+') |
86 |
|
gamcor = 1.0/gamcor; |
87 |
+ |
i++; |
88 |
|
break; |
89 |
+ |
case 'e': /* exposure correction */ |
90 |
+ |
d = atof(argv[i+1]); |
91 |
+ |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
92 |
+ |
d = pow(2.0, d); |
93 |
+ |
if (argv[i][0] == '-') |
94 |
+ |
doexposure = 100; |
95 |
+ |
scalecolor(exposure, d); |
96 |
+ |
expval *= d; |
97 |
+ |
doexposure++; |
98 |
+ |
i++; |
99 |
+ |
break; |
100 |
|
case 'R': /* reverse byte sequence */ |
101 |
|
if (argv[i][0] == '-') { |
102 |
|
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
211 |
|
} |
212 |
|
/* add to header */ |
213 |
|
printargs(i, argv, stdout); |
214 |
+ |
if (doexposure > 100) |
215 |
+ |
fputexpos(expval, stdout); |
216 |
|
fputformat(COLRFMT, stdout); |
217 |
|
putchar('\n'); |
218 |
|
fputsresolu(&picres, stdout); /* always put resolution */ |
236 |
|
} |
237 |
|
if (header) { |
238 |
|
printargs(i, argv, stdout); |
239 |
+ |
if (doexposure > 100) |
240 |
+ |
fputexpos(expval, stdout); |
241 |
|
fputformat(fmtid, stdout); |
242 |
|
putchar('\n'); |
243 |
|
} |
263 |
|
} else if (original && isexpos(line)) { |
264 |
|
d = 1.0/exposval(line); |
265 |
|
scalecolor(exposure, d); |
266 |
+ |
doexposure++; |
267 |
|
} else if (original && iscolcor(line)) { |
268 |
|
colcorval(ctmp, line); |
269 |
|
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
270 |
|
colval(exposure,GRN)/colval(ctmp,GRN), |
271 |
|
colval(exposure,BLU)/colval(ctmp,BLU)); |
272 |
+ |
doexposure++; |
273 |
|
} else if (header) |
274 |
|
fputs(line, stdout); |
275 |
|
} |
307 |
|
continue; |
308 |
|
else |
309 |
|
copycolor(lastc, scanln[x]); |
310 |
< |
if (original) |
310 |
> |
if (doexposure) |
311 |
|
multcolor(scanln[x], exposure); |
312 |
|
if (dogamma) |
313 |
|
setcolor(scanln[x], |
355 |
|
pow(colval(scanln[x],RED), gamcor), |
356 |
|
pow(colval(scanln[x],GRN), gamcor), |
357 |
|
pow(colval(scanln[x],BLU), gamcor)); |
358 |
+ |
if (doexposure) |
359 |
+ |
multcolor(scanln[x], exposure); |
360 |
|
} |
361 |
|
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
362 |
|
fprintf(stderr, "%s: write error\n", progname); |